[Code of Federal Regulations]
[Title 49, Volume 4]
[Revised as of October 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR229.59]

[Page 301]
 
                        TITLE 49--TRANSPORTATION
 
       CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 229--RAILROAD LOCOMOTIVE SAFETY STANDARDS--Table of Contents
 
                     Subpart C--Safety Requirements
 
Sec. 229.59  Leakage.

    (a) Leakage from the main air reservoir and related piping may not 
exceed an average of 3 pounds per square inch per minute for 3 minutes 
after the pressure has been reduced to 60 percent of the maximum 
pressure.
    (b) Brake pipe leakage may not exceed 5 pounds per square inch per 
minute.
    (c) With a full service application at maximum brake pipe pressure 
and with communication to the brake cylinders closed, the brakes shall 
remain applied at least 5 minutes.
    (d) Leakage from control air reservoir, related piping, and 
pneumatically operated controls may not exceed an average of 3 pounds 
per square inch per minute for 3 minutes.

                              Draft System